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Re: Mathematica 8

  • To: mathgroup at smc.vnet.net
  • Subject: [mg114082] Re: Mathematica 8
  • From: "J and B" <noslowski at comcast.net>
  • Date: Tue, 23 Nov 2010 05:58:13 -0500 (EST)

Sorry to butt in, but I noticed that you have an Lenovo laptop.  I am
getting one, but I don't know what I need in order to run M8 on it.  I will
be using going version of windows on it.  

I had to get another desktop 3 years ago, an Lenovo just to run version 7.
My IBM desktop could not handle M7. 

Thanks 

-----Original Message-----
From: Curtis F. Osterhoudt [mailto:cfo at lanl.gov] 
Sent: Monday, November 22, 2010 7:36 AM
To: mathgroup at smc.vnet.net
Subject: [mg114082] [mg114047] Re: Mathematica 8

Interesting. I decided to play with this too (on a Lenovo notebook with two
cores, running a 32-bit linux). If I choose to have Mathematica fire up
another kernel "as needed", things run fine. However, if I ask it to start
two kernels "on startup", the Benchmark runs for a long time (I haven't let
it complete yet) and pegs both cores at around 100%. It also prints no
output. Perhaps a bug?





>> Could you elaborate a bit on this? I thought to make use of more than 
>> one core I needed to use commands like Parallelize. Are modifying the 
>> benchmarking code?
>
> No ... I just selected to launch parallel kernels on startup of 
> Mathematica 8 in Mathematica Preferences.
>
> Then I just ran MathematicaMark8 with no code modifications to see 
> what happened.





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